Erratum to “Protein supplement consumption is linked to time spent exercising and high-protein content foods: A multicentric observational study” [Heliyon 5 (4) (April 2019) e01508]
Ewan ThomasBettina KarstenFatma Neşe ŞahinGöktuğ ERTETİKFrancesco MartinesVincenza LeonardiAntonio PaoliPaulo GentilAntonio PalmaAntonino Bianco
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In the original published version of this article, the author names for all co-authors were incorrectly presented. The first name and family name of each author were reversed. This error was introduced during the typesetting of the article, the publisher apologises for this error. Both the HTML and PDF versions of the article have been updated to correct the error. Protein supplement consumption is linked to time spent exercising and high-protein content foods: A multicentric observational studyThomas et al.HeliyonApril 15, 2019In BriefThe main aim of this study is to analyze if protein supplement consumption and food patterns vary across three geographical regions and secondly to identify possible factors that increase the likelihood of ingesting protein supplements. A total of 916 responses from gym users of 3 countries (Italy, Turkey and UK) were entered for analysis. Questions were related to supplement consumption (protein and other supplements), food intake and training habits. A descriptive analysis, analysis of variance (ANOVA), and logistic regression were performed. Full-Text PDF Open AccessKeywords:
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72 preschoolers and 72 school children observed the original discrimination of nonreversal shift (NRS) followed by 14 NRS trials by themselves. The observational trials were 10 or 30 in each age group. The correct (_??_) or incorrect (×) responses on the 1st (unchanged pair) and the 2nd (changed pair) trials of NRS were mainly measured. In preschoolers, both dependent observational-learning mode (_??_-× responses: DOL) and independent observational-learning mode (_??_-_??_ and ×-×: IOL) were found, but no observational-trial effects on the modes were found. In school children, DOL occurred significantly more than IOL in both groups, and the observational-trial effect was also found. Subproblem analyses suggested that the _??_-× responses were indeed the “dependent” mode rather than the “independent” one.
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Using Spain as a case study, we analyze the evolution of meat consumption from the 1950s to the present. A meat consumption database was constructed using four sources: the FAO, Ministry Balance Sheets, Household Budget Surveys and the Food Consumption Panel. The study has two main contributions. First, we question the idea that meat consumption in Spain has been increasing steadily since the 1950s, as some economic historians have reported. Second, we identify two different food consumption models. The first is characterized by an increase in standardized meat consumption and the second features decreased meat consumption alongside a rise in the consumption of processed and prepared meat.
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Christian ministry
Consumer spending
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The purposes of this study were to develop and implement an observational training program and to assess the effects of a video observational training program on video and live observational proficiency. Physical education majors took a pretest in both a video and a live environment to assess observational proficiency. The task was observing children batting and answering questions regarding the critical features of the movement. The students were then placed into either a treatment ( n = 12) or a control ( n = 11) group. There were no differences between groups on either assessment ( p > .05). The treatment group then participated in a video observational training program. After the training, all subjects took a posttest in each environment to assess observational proficiency. The training was found to be effective in improving video observational proficiency ( p < .05) but not live observational proficiency ( p > .05). These results provide support for the effectiveness of video observational training in developing video observational proficiency but not live observational proficiency.
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Observational methods such as OW AS. RULA. and REBA have been widely used to identify posture-related risks of musculoskeletal disorders in industry, since they are useful and efficient in evaluating postural stresses. However. there are few studies comparing the methods and providing guidelines for selecting and using the methods. They have been developed based on different backgrounds and with different application areas. Each method has its own characteristics. which must be considered in selecting and using them. In this study. 17 male subjects evaluated 42 different working postures that frequently assumed in the automobile assembly line using a psychophysical method. The postures were then evaluated by different observational methods. The results of the observational methods were compared with psychophysically evaluated stresses. The observational methods resulted in different values of stresses for certain postures. For some postures showing high values of perceived discomfort. the observational methods showed different values of stresses. These results showed that the observational methods should be used differently according to application area and they have some weak points to be improved.
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Studies can be observational or experimental. With an observational study, the investigator does not determine the assignment of subjects, and there might not be a control group. If there is a control group, assignment of the independent variable (exposure or intervention) is not under the control of the investigator. Observational studies can be rigorously conducted, but the lack of random assignment of the exposure/intervention introduces confounding and bias. Thus, the quality of evidence resulting from observational studies is lower than that of experimental randomized controlled trials (RCTs). An observational study might be performed if an RCT is unethical, impractical, or outside the control of the investigator. There are many types of prospective and retrospective observational study designs. However, an observational study design should be avoided if an experimental study is possible. Sophisticated statistical approaches can be used, but this does not elevate an observational study to the level of an RCT. Regardless of quality, an observational study cannot establish causality.
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This study aims to follow the work of some researchers that have used sociodemographic variables to try to explain food consumption patterns. Specifically, it tries to update and improve Heien, Lovell, and Perali’s (1989) work on Mexican food consumption. These authors used the 1977–78 ENIGH data to estimate the effects of demographic variables on food consumption in Mexico. First, a brief description of some studies related to food consumption is presented. Then, the structure of general consumption and the role of food consumption in Mexico are explained. The model to be used to relate food consumption and demographic variables is described, and then the results are presented. Finally, some comparisons and conclusions are drawn, and some suggestions are given
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The article describes the basic rules for conducting observational studies, in particular, registers. The principles of the assessment of its quality and impact on the results are discussed. The potential for evaluating therapeutic effect and side effects in randomized controlled trials (RCTs) and observational studies is compared. Effects of one drug identified in RCTs and observational studies are compared.
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